Here's a lightweight power steering pulley to reduce rotating mass from your engine. Precision CNC'd from aircraft grade billet aluminum this is a normal diameter spec unit and not underdrive. Installation does not require different length belt, and will not affect aftermarket supercharger installations.
![Gruven aluminum VR6 12V pulleys](/images/pulley_alt20t-gruven.jpg)
A lightweight billet aluminum version of the OEM power steering pulley which will lessen the parasitic losses from the power steering pump. This pulley fits ALL MK2, MK3, and MK4 12 valve VR6 engines. Please note this pulley is non-ribbed. Similar to the water pump pulley, ribs are not needed to drive the power steering pulley. This pulley has been proven by countless hours of track abuse with no problems whatsoever. Fits Mk2, Mk3, and Mk4 VW VR6 engines and replaces P/N 021-145-255 (021145255)